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[PDF] Top 20 Mitigating Noise in Interferometric Gravitational Wave Detectors

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Mitigating Noise in Interferometric Gravitational Wave Detectors

Mitigating Noise in Interferometric Gravitational Wave Detectors

... in gravitational-wave detection [122] and scanning probe microscopy, optomechanical devices can also be used to probe the quantum behavior of mechanical ...quantum noise-limited ... See full document

235

An investigation of eddy-current damping of multi-stage pendulum suspensions for use in interferometric gravitational wave detectors

An investigation of eddy-current damping of multi-stage pendulum suspensions for use in interferometric gravitational wave detectors

... laser interferometric gravitational-wave observatory ) ...German/UK interferometric gravitational wave detector, currently being ...of noise associated with this so-called ... See full document

7

Improving the Performance and Sensitivity of Gravitational Wave Detectors

Improving the Performance and Sensitivity of Gravitational Wave Detectors

... the gravitational wave observatory Advanced LIGO, this system will study the behavior of metals in the elastic regime, far from the yield stress that would introduce plastic ...up-conversion noise ... See full document

139

Quantum limited measurements in gravitational wave detectors

Quantum limited measurements in gravitational wave detectors

... overall noise floors of the updated advanced detectors places more stringent requirements on disturbances introduced by potential squeezing sub-systems than previous ...fundamental noise floors limit ... See full document

226

Improving astrophysical parameter estimation via offline noise subtraction for Advanced LIGO

Improving astrophysical parameter estimation via offline noise subtraction for Advanced LIGO

... and mitigating various noise sources, such as scattered light and coupling of electronics ...LIGO detectors is common, and enables early experience with new hardware configu- ...the ... See full document

9

Length Sensing and Control of a Prototype Advanced Interferometric Gravitational Wave Detector

Length Sensing and Control of a Prototype Advanced Interferometric Gravitational Wave Detector

... The radiometer search described in section 10.2.3 is optimal for point sources, where optimality again means that it yields the maximum SNR for a given source strain H (f). This does not mean that it maximally avoids ... See full document

235

Experimental demonstration of a gravitational wave detector configuration below the shot noise limit

Experimental demonstration of a gravitational wave detector configuration below the shot noise limit

... The signal recycling mirror is placed at the dark port of the interferometer as shown in figure 1.4 (b). It reflects the signal exiting the Michelson back in, creating a cavity with the Michelson called the signal ... See full document

89

Gravitational Waves: Present Status and Future Prospectus

Gravitational Waves: Present Status and Future Prospectus

... Interferometer gravitational waves observatory (DECIGO) has been proposed by Seto, Kawamara & Nakamura ...is gravitational wave antenna in space in the ...ground-based detectors and ... See full document

18

Constraints on cosmic strings from the LIGO-virgo gravitational-wave detectors

Constraints on cosmic strings from the LIGO-virgo gravitational-wave detectors

... We parametrize an event by the coincidence variables δ t e , rA, and rf h given for each of the six possible pairs of detectors. These variables allow us to favor signals that are coherent in the network. We also ... See full document

10

Coatings and surface treatments for enhanced performance suspensions for future gravitational wave detectors

Coatings and surface treatments for enhanced performance suspensions for future gravitational wave detectors

... thermal noise, compared to the current Advanced LIGO design, calculated using the GWINC (Gravitational Wave Interferometer Noise Calculator) ... See full document

24

Upper limits from the LIGO and TAMA detectors on the rate of gravitational-wave bursts

Upper limits from the LIGO and TAMA detectors on the rate of gravitational-wave bursts

... detector are first high-pass filtered and whitened using a linear predictor error filter [25,26]. The TFCLUSTERS algo- rithm then constructs a time-frequency spectrogram of the filtered data by segmenting the data into ... See full document

16

Observation of a kilogram-scale oscillator near its quantum ground state

Observation of a kilogram-scale oscillator near its quantum ground state

... system—an interferometric gravitational wave detector. The detectors of the Laser Interferometer Gravitational-wave Observatory (LIGO) operate within a factor of 10 of the ... See full document

13

Vibration isolation stacks for gravitational wave detectors - finite element analysis

Vibration isolation stacks for gravitational wave detectors - finite element analysis

... Rotations of the stack about a vertical axis were not accounted for in the finite element model: yet these could be important for the coupling of rotational ground noise to horizontal no[r] ... See full document

10

Sensitivity of the advanced LIGO detectors at the beginning of gravitational wave astronomy

Sensitivity of the advanced LIGO detectors at the beginning of gravitational wave astronomy

... Interferometer Gravitational Wave Observatory (LIGO) consists of two widely separated 4 km laser interferometers designed to detect gravitational waves from distant astrophysical sources in the ... See full document

19

Calibration of the LIGO gravitational wave detectors in the fifth science run

Calibration of the LIGO gravitational wave detectors in the fifth science run

... all detectors, are used to increase the dynamic range of the coil actuators during initial control of the test ...the detectors approach designed sensitivity [2, ... See full document

49

Arm length stabilisation for advanced gravitational wave detectors

Arm length stabilisation for advanced gravitational wave detectors

... The true measurement of the relative frequency noise between the two lasers when the auxiliary laser is phase locked to the science laser for the case where: a the fibre is bypassed, b t[r] ... See full document

156

A step-wise steerable source of illumination for low-noise "Violin-Mode" shadow sensors, intended for use in interferometric gravitational wave detectors

A step-wise steerable source of illumination for low-noise "Violin-Mode" shadow sensors, intended for use in interferometric gravitational wave detectors

... Subsequently, and in the light of tests carried out on actual suspensions, the need to compensate for mechanical creep was relaxed to a working span of just ±0.1 mm, which lay within the scope of the single-LED-column ... See full document

11

Brownian Thermal Noise in Interferometric Gravitational Wave Detectors and Single Photon Optomechanics

Brownian Thermal Noise in Interferometric Gravitational Wave Detectors and Single Photon Optomechanics

... Brownian noise arises from the coating-substrate bending noise caused by losses in tantala layers, because these layers are much more lossy than the silica layers, and have been assumed to have a much ... See full document

138

A 'Violin-Mode' shadow sensor for interferometric gravitational wave detectors

A 'Violin-Mode' shadow sensor for interferometric gravitational wave detectors

... shadow detectors having, collectively, a displacement sensitivity of (69 ± 13) picometres (rms) / √Hz, at 500 Hz, over a measuring span of ...The detectors were designed to monitor the vibrations of the 600 ... See full document

12

Noise Cancellation for Gravitational Wave Detectors

Noise Cancellation for Gravitational Wave Detectors

... the noise contributions of our seismometers in Figure ...and noise in the readout electronics), all of these noise contributions are filtered and added back into our data stream, limiting our ability ... See full document

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